Returning back home we had received 2 additional charges from Sixt.it - we had hired two separate rental dates and places. We had booked on- line and paid in full...and be no means cheap! We have been struggling to find out what the extra charges were for, both around 70 Euro each. The cars were returned full of petrol and before the due time. And with no damage. After a number of emails one has been acknowledged as a ' system anomaly', this is the one I also had my card card company chasing (AMEX, they did a good... read full review »